import com.sun.xml.internal.ws.api.model.wsdl.WSDLOutput;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 徐海涛
 * Date: 2021-11-13
 * Time: 17:35
 */
public class TestDemo {


    public static void main3(String[] args) {
        long l = 10;
        int b = l;
        System.out.println(b);//大字节到小字节精度会丢失
    }
    public static void main2(String[] args) {
        int a = 10;
        long b = a ;
        System.out.println(b);
    }
    public static void main1(String[] args) {
        System.out.println(20+10+"hello");
    }

}
